PERMITTIVITY Meaning of PERMITTIVITY in English permittivity BrE AmE ˌpɜːm ɪ ˈtɪv ət i ˌ•ə- AmE \ ˌpɝːm ɪ ˈtɪv ət̬ i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012